Nonlinear Fourier transform for optical data processing and transmission: advances and perspectives

SK Turitsyn, JE Prilepsky, ST Le, S Wahls, LL Frumin… - Optica, 2017 - opg.optica.org
Fiber-optic communication systems are nowadays facing serious challenges due to the fast
growing demand on capacity from various new applications and services. It is now well …

Nonlinear signal multiplexing for communication beyond the Kerr nonlinearity limit

ST Le, V Aref, H Buelow - Nature Photonics, 2017 - nature.com
Current optical fibre transmission systems rely on modulation, coding and multiplexing
techniques that were originally developed for linear communication channels. However …

Polarization-division multiplexing based on the nonlinear Fourier transform

JW Goossens, MI Yousefi, Y Jaouën, H Hafermann - Optics express, 2017 - opg.optica.org
Polarization-division multiplexed (PDM) transmission based on the nonlinear Fourier
transform (NFT) is proposed for optical fiber communication. The NFT algorithms are …

Modulation over nonlinear Fourier spectrum: Continuous and discrete spectrum

V Aref, ST Le, H Buelow - Journal of Lightwave Technology, 2018 - ieeexplore.ieee.org
Nonlinear frequency division multiplexed (NFDM) systems are considered when data are
modulated in both parts of the nonlinear Fourier spectrum: Continuous spectrum and …

A Kaiser window-based S-transform for time-frequency analysis of power quality signals

C Liang, Z Teng, J Li, W Yao, S Hu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The accurate time-frequency (TF) positioning of power quality (PQ) disturbances is the basis
of dealing with PQ problems in power systems. To accurately detect PQ disturbances, this …

Convolutional long short-term memory neural network equalizer for nonlinear Fourier transform-based optical transmission systems

O Kotlyar, M Kamalian-Kopae, M Pankratova… - Optics …, 2021 - opg.optica.org
We evaluate improvement in the performance of the optical transmission systems operating
with the continuous nonlinear Fourier spectrum by the artificial neural network equalisers …

Dual-Polarization Non-Linear Frequency-Division Multiplexed Transmission With -Modulation

X Yangzhang, V Aref, ST Le, H Buelow… - Journal of Lightwave …, 2019 - opg.optica.org
There has been much interest in the non-linear frequency-division multiplexing (NFDM)
transmission scheme in the optical fiber communication system. Up to date, most of the …

Channel model and the achievable information rates of the optical nonlinear frequency division-multiplexed systems employing continuous b-modulation

S Derevyanko, M Balogun, O Aluf, D Shepelsky… - Optics …, 2021 - opg.optica.org
Following the rise in interest in transmission systems employing the nonlinear Fourier
transform (NFT) for the nonlinearity mitigation, we present the theoretical analysis of the …

Correlation-aided nonlinear spectrum detection

Q Zhang, FR Kschischang - Journal of Lightwave Technology, 2021 - opg.optica.org
It is shown that a higher spectral efficiency (SE) can be achieved in a narrow-bandwidth-
modulated NFDM subsystem than a moderate-bandwidth one. Exploiting the statistical …

Periodic nonlinear Fourier transform for fiber-optic communications, Part I: theory and numerical methods

M Kamalian, JE Prilepsky, ST Le, SK Turitsyn - Optics express, 2016 - opg.optica.org
In this work, we introduce the periodic nonlinear Fourier transform (PNFT) method as an
alternative and efficacious tool for compensation of the nonlinear transmission effects in …